<template>
<div>
  <div class="search">
    <input v-model="keyword" type="text" class="search-input" placeholder="请输入城市名or拼音">
  </div>
  <div class="search-content" ref="search" v-show="keyword">
    <ul>
      <li class="search-item border-bottom" v-for="item in list" :key="item.id" @click="handleCityClick(item.name)">{{item.name}}</li>
      <li class="search-item border-bottom" v-show="liData">没有找到数据</li>
    </ul>
  </div>
</div>
</template>

<script>
import Bscroll from "better-scroll"
import {mapMutations} from 'vuex'
  export default {
    name:'CitySearch',
    props:{
      cities:Object
    },
    data() {
      return {
        keyword:'',
        list:[],
        timer:null
      }
    },
    methods: {
      handleCityClick(city){
        //this.$store.commit('changeCity',city)
        this.changeCity(city)
        this.$router.push('/')
      },
      ...mapMutations(['changeCity']),
      handleClick(city){
        console.log(city);
        console.log('hg');
        
      }
    },
    computed: {
      liData(){
        return !this.list.length
      }
    },
    mounted() {
      this.scroll=new Bscroll(this.$refs.search)
    },
    watch: {
      keyword(){
        if (this.timer) {
          clearTimeout(this.timer)
        }
        if (!this.keyword) {
          this.list=[]
          return
        }
        this.timer=setTimeout(() => {
          const result=[]
          for (const i in this.cities) {
            this.cities[i].forEach(value => {
              if (value.spell.indexOf(this.keyword)>-1||
                  value.name.indexOf(this.keyword)>-1) {
                result.push(value)
              }
            });
          }
          this.list=result
        }, 100);
      }
    },
  }
</script>

<style lang="stylus" scoped>
  .search
    height .72rem
    padding 0 .1rem
    background #00bcd4
    .search-input
      width 100%
      height .62rem
      line-height .62rem
      text-align center
      border-radius .06rem
      color #666666
      //padding 0 .1rem 0 .1rem
  .search-content
    z-index 1
    overflow hidden
    position absolute
    top 1.58rem
    left 0
    right 0
    bottom 0
    background #eeeeee
    .search-item
      line-height .62rem
      padding-left .2rem
      background #fff
</style>